Exam 5: Essential Concepts of Metabolism

Electron transport chain:

What is returned to chlorophyll in cyclic photophosphorylation that is not returned in non-cyclic photoreduction?

In photosynthesis,chemical energy is used to make organic molecules in the:

Which reaction takes place in the mitochondrial membrane?

During glycolysis,electrons are initially transferred to:

Which of the following is true about glycolysis?

Describe the chemical characteristics of enzymes and indicate why they are important in the metabolism of large molecules and how they determine which metabolic pathways occur in a cell.

Degradation reactions where large molecules are broken down into smaller molecule is referred to as:

As electrons are passed from carrier to carrier,their energy changes.At which point in the chain would you expect the energy of the electrons to be the lowest?

Which one of the following pairs is mismatched?

Pyruvic acid is metabolized in the absence of oxygen during the process of:

Each acetyl-CoA molecule will eventually produce ________ in the Krebs cycle.

The end product of glycolysis is:

Organisms which get their carbon from other organisms are:

In aerobic respiration,the final electron acceptor is:

Substrate-level phosphorylation during glycolysis refers to the transfer of phosphate groups from:

An enzyme-substrate complex forms when substrate binds to an enzyme at the enzyme's ______ site.

In glycolysis,each molecule of glucose eventually produces ________ molecules of pyruvic acid.

The initial breakdown of glucose in a eukaryotic cell takes place in the _____.

What are chemoheterotrophs and how do they obtain energy? Name and describe two other ways microorganisms obtain energy. Why do you think so many different ways of obtaining energy evolved?